content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * -----------------------
   * LegendGraphicTests.java
   * -----------------------
   * (C) Copyright 2005-2012, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 01-Sep-2005 : Version 1 (DG);
   * 17-Jun-2012 : Removed JCommon dependencies (DG);
   *
   */
  
  package org.jfree.chart.title;
  
  import org.jfree.chart.ui.GradientPaintTransformType;
  import org.jfree.chart.ui.RectangleAnchor;
  import org.jfree.chart.ui.StandardGradientPaintTransformer;
  import org.junit.jupiter.api.Test;
  
  import java.awt.BasicStroke;
  import java.awt.Color;
  import java.awt.Rectangle;
  import java.awt.Stroke;
  import java.awt.geom.Line2D;
  import java.awt.geom.Rectangle2D;
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertSame;
  
  /**
   * Tests for the {@link LegendGraphic} class.
   */
  public class LegendGraphicTest  {
  
  
  
  
  
      /**
       * Check that the equals() method distinguishes all fields.
       */
      @Test
      public void testEquals() {
          LegendGraphic g1 = new LegendGraphic(new Rectangle2D.Double(1.0, 2.0,
                  3.0, 4.0), Color.BLACK);
          LegendGraphic g2 = new LegendGraphic(new Rectangle2D.Double(1.0, 2.0,
                  3.0, 4.0), Color.BLACK);
          assertEquals(g1, g2);
          assertEquals(g2, g1);
  
          // shapeVisible
          g1.setShapeVisible(!g1.isShapeVisible());
          assertFalse(g1.equals(g2));
          g2.setShapeVisible(!g2.isShapeVisible());
          assertEquals(g1, g2);
  
          // shape
          g1.setShape(new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0));
          assertFalse(g1.equals(g2));
          g2.setShape(new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0));
          assertEquals(g1, g2);
  
          // shapeFilled
          g1.setShapeFilled(!g1.isShapeFilled());
          assertFalse(g1.equals(g2));
          g2.setShapeFilled(!g2.isShapeFilled());
          assertEquals(g1, g2);
  
          // fillPaint
          g1.setFillPaint(Color.green);
          assertFalse(g1.equals(g2));
          g2.setFillPaint(Color.green);
          assertEquals(g1, g2);
  
          // shapeOutlineVisible
          g1.setShapeOutlineVisible(!g1.isShapeOutlineVisible());
          assertFalse(g1.equals(g2));
          g2.setShapeOutlineVisible(!g2.isShapeOutlineVisible());
          assertEquals(g1, g2);
  
          // outlinePaint
          g1.setOutlinePaint(Color.green);
          assertFalse(g1.equals(g2));
          g2.setOutlinePaint(Color.green);
          assertEquals(g1, g2);
  
          // outlineStroke
          g1.setOutlineStroke(new BasicStroke(1.23f));
          assertFalse(g1.equals(g2));
          g2.setOutlineStroke(new BasicStroke(1.23f));
          assertEquals(g1, g2);
  
          // shapeAnchor
          g1.setShapeAnchor(RectangleAnchor.BOTTOM_RIGHT);
          assertFalse(g1.equals(g2));
          g2.setShapeAnchor(RectangleAnchor.BOTTOM_RIGHT);
          assertEquals(g1, g2);
  
          // shapeLocation
          g1.setShapeLocation(RectangleAnchor.BOTTOM_RIGHT);
          assertFalse(g1.equals(g2));
          g2.setShapeLocation(RectangleAnchor.BOTTOM_RIGHT);
          assertEquals(g1, g2);
  
          // lineVisible
          g1.setLineVisible(!g1.isLineVisible());
          assertFalse(g1.equals(g2));
          g2.setLineVisible(!g2.isLineVisible());
          assertEquals(g1, g2);
  
          // line
          g1.setLine(new Line2D.Double(1.0, 2.0, 3.0, 4.0));
          assertFalse(g1.equals(g2));
          g2.setLine(new Line2D.Double(1.0, 2.0, 3.0, 4.0));
          assertEquals(g1, g2);
  
          // linePaint
          g1.setLinePaint(Color.green);
          assertFalse(g1.equals(g2));
          g2.setLinePaint(Color.green);
          assertEquals(g1, g2);
  
          // lineStroke
          g1.setLineStroke(new BasicStroke(1.23f));
          assertFalse(g1.equals(g2));
          g2.setLineStroke(new BasicStroke(1.23f));
          assertEquals(g1, g2);
  
          // fillPaintTransformer
          g1.setFillPaintTransformer(new StandardGradientPaintTransformer(
                  GradientPaintTransformType.CENTER_HORIZONTAL));
          assertFalse(g1.equals(g2));
          g2.setFillPaintTransformer(new StandardGradientPaintTransformer(
                  GradientPaintTransformType.CENTER_HORIZONTAL));
          assertEquals(g1, g2);
  
      }
  
      /**
       * Two objects that are equal are required to return the same hashCode.
       */
      @Test
      public void testHashcode() {
          LegendGraphic g1 = new LegendGraphic(new Rectangle2D.Double(1.0, 2.0,
                  3.0, 4.0), Color.BLACK);
          LegendGraphic g2 = new LegendGraphic(new Rectangle2D.Double(1.0, 2.0,
                  3.0, 4.0), Color.BLACK);
          assertEquals(g1, g2);
          int h1 = g1.hashCode();
          int h2 = g2.hashCode();
          assertEquals(h1, h2);
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          Rectangle r = new Rectangle(1, 2, 3, 4);
          LegendGraphic g1 = new LegendGraphic(r, Color.BLACK);
          LegendGraphic g2 = (LegendGraphic) g1.clone();
          assertNotSame(g1, g2);
          assertSame(g1.getClass(), g2.getClass());
          assertEquals(g1, g2);
  
          // check independence
          r.setBounds(4, 3, 2, 1);
          assertFalse(g1.equals(g2));
      }
  
      /**
       * A test for cloning - checks that the line shape is cloned correctly.
       */
      @Test
      public void testCloning2() throws CloneNotSupportedException {
          Rectangle r = new Rectangle(1, 2, 3, 4);
          LegendGraphic g1 = new LegendGraphic(r, Color.BLACK);
          Line2D l = new Line2D.Double(1.0, 2.0, 3.0, 4.0);
          g1.setLine(l);
          LegendGraphic g2 = (LegendGraphic) g1.clone();
          assertNotSame(g1, g2);
          assertSame(g1.getClass(), g2.getClass());
          assertEquals(g1, g2);
  
          // check independence
          l.setLine(4.0, 3.0, 2.0, 1.0);
          assertFalse(g1.equals(g2));
  
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          Stroke s = new BasicStroke(1.23f);
          LegendGraphic g1 = new LegendGraphic(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0), Color.BLACK);
          g1.setOutlineStroke(s);
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(g1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(
                      new ByteArrayInputStream(buffer.toByteArray()));
          LegendGraphic g2 = (LegendGraphic) in.readObject();
              in.close();
  
          assertEquals(g1, g2);
  
      }
  
  }
  